The home of Patricia and Raymond Hannigan, the 8th top water user in the San Antonio Water System, Friday, March 21, 2014.

The home of Patricia and Raymond Hannigan, the 8th top water user in the San Antonio Water System, Friday, March 21, 2014.

Photo: San Antonio Express-News

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The home of Rodney and Kimberly Lewis the 7th top water user in the San Antonio Water System, Friday, March 21, 2014.

The home of Rodney and Kimberly Lewis the 7th top water user in the San Antonio Water System, Friday, March 21, 2014.

Photo: San Antonio Express-News

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Jack Guenther (Left), No 6 on the list.

Jack Guenther (Left), No 6 on the list.

Photo: LELAND A. OUTZ, SPECIAL TO THE EXPRESS-NEWS

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Peter M. Holt, No. 9 on the list

Peter M. Holt, No. 9 on the list

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William E. Greehey, No. 11 on the list.

William E. Greehey, No. 11 on the list.

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Harvey E. Najim, No. 13 on the list.

Harvey E. Najim, No. 13 on the list.

Photo: San Antonio Express-News

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Amy Duncan, No. 18 on the list.

Amy Duncan, No. 18 on the list.

Photo: WILLIAM LUTHER, SAN ANTONIO EXPRESS-NEWS

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San Antonio's biggest water users

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Bexar County's most prolific water users seem to be cutting back. SAWS figures obtained through the Texas Public Information Act reveal nearly 20 percent decreases in consumption among the top 10 water users, and 16 percent among the top 100.

Still, some conservationists think SAWS should charge high-end users even more, both to encourage conservation and increase revenue for costly projects to get more water.